# Copyright (c) 2009 Geoffrey Foster
#
# Permission is hereby granted, free of charge, to any person
# obtaining a copy of this software and associated documentation
# files (the "Software"), to deal in the Software without
# restriction, including without limitation the rights to use,
# copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the
# Software is furnished to do so, subject to the following
# conditions:
#
# The above copyright notice and this permission notice shall be
# included in all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
# OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
# HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
# WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
# OTHER DEALINGS IN THE SOFTWARE.

from threading import Event, Thread

class RepeatTimer(Thread):
   def __init__(self, interval, function, iterations=0, args=[], kwargs={}):
       Thread.__init__(self)
       self.interval = interval
       self.function = function
       self.iterations = iterations
       self.args = args
       self.kwargs = kwargs
       self.finished = Event()

   def run(self):
       count = 0
       while not self.finished.is_set() and (self.iterations <= 0 or count < self.iterations):
           self.finished.wait(self.interval)
           if not self.finished.is_set():
               self.function(*self.args, **self.kwargs)
               count += 1

   def cancel(self):
       self.finished.set()
